Stepped bristle array for a toothbrush head



FIG. 1 is a perspective view of my ornamental design for a steppedbristle array for a toothbrush head;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a side view thereof, the opposite side being a mirror image ofthat shown.

The structures shown in phantom or broken lines in the Figs. form nopart of the claimed design and are included only to illustrate anenvironment.

The ornamental design for a stepped bristle array for a toothbrush head,as shown and described.